i80321_aau.c revision 1.5.6.2
1 /* $NetBSD: i80321_aau.c,v 1.5.6.2 2002/09/06 08:33:08 jdolecek Exp $ */ 2 3 /* 4 * Copyright (c) 2002 Wasabi Systems, Inc. 5 * All rights reserved. 6 * 7 * Written by Jason R. Thorpe for Wasabi Systems, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed for the NetBSD Project by 20 * Wasabi Systems, Inc. 21 * 4. The name of Wasabi Systems, Inc. may not be used to endorse 22 * or promote products derived from this software without specific prior 23 * written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 /* 39 * Intel i80321 I/O Processor application accelerator unit support. 40 */ 41 42 #include <sys/cdefs.h> 43 __KERNEL_RCSID(0, "$NetBSD: i80321_aau.c,v 1.5.6.2 2002/09/06 08:33:08 jdolecek Exp $"); 44 45 #include <sys/param.h> 46 #include <sys/pool.h> 47 #include <sys/lock.h> 48 #include <sys/systm.h> 49 #include <sys/device.h> 50 #include <sys/uio.h> 51 52 #include <uvm/uvm.h> 53 54 #include <machine/bus.h> 55 #include <machine/intr.h> 56 57 #include <arm/xscale/i80321reg.h> 58 #include <arm/xscale/i80321var.h> 59 60 #include <arm/xscale/iopaaureg.h> 61 #include <arm/xscale/iopaauvar.h> 62 63 struct aau321_softc { 64 /* Shared AAU definitions. */ 65 struct iopaau_softc sc_iopaau; 66 67 /* i80321-specific stuff. */ 68 void *sc_error_ih; 69 void *sc_eoc_ih; 70 void *sc_eot_ih; 71 }; 72 73 static struct iopaau_function aau321_func_zero = { 74 iopaau_func_zero_setup, 75 &iopaau_desc_4_cache, 76 }; 77 78 static struct iopaau_function aau321_func_fill8 = { 79 iopaau_func_fill8_setup, 80 &iopaau_desc_4_cache, 81 }; 82 83 static struct iopaau_function aau321_func_xor_1_4 = { 84 iopaau_func_xor_setup, 85 &iopaau_desc_4_cache, 86 }; 87 88 static struct iopaau_function aau321_func_xor_5_8 = { 89 iopaau_func_xor_setup, 90 &iopaau_desc_8_cache, 91 }; 92 93 static const struct dmover_algdesc aau321_algdescs[] = { 94 { 95 DMOVER_FUNC_ZERO, 96 &aau321_func_zero, 97 0 98 }, 99 { 100 DMOVER_FUNC_FILL8, 101 &aau321_func_fill8, 102 0 103 }, 104 { 105 DMOVER_FUNC_COPY, 106 &aau321_func_xor_1_4, 107 1 108 }, 109 { 110 DMOVER_FUNC_XOR2, 111 &aau321_func_xor_1_4, 112 2 113 }, 114 { 115 DMOVER_FUNC_XOR3, 116 &aau321_func_xor_1_4, 117 3 118 }, 119 { 120 DMOVER_FUNC_XOR4, 121 &aau321_func_xor_1_4, 122 4 123 }, 124 { 125 DMOVER_FUNC_XOR5, 126 &aau321_func_xor_5_8, 127 5 128 }, 129 { 130 DMOVER_FUNC_XOR6, 131 &aau321_func_xor_5_8, 132 6 133 }, 134 { 135 DMOVER_FUNC_XOR7, 136 &aau321_func_xor_5_8, 137 7 138 }, 139 { 140 DMOVER_FUNC_XOR8, 141 &aau321_func_xor_5_8, 142 8 143 }, 144 }; 145 #define AAU321_ALGDESC_COUNT \ 146 (sizeof(aau321_algdescs) / sizeof(aau321_algdescs[0])) 147 148 static int 149 aau321_match(struct device *parent, struct cfdata *match, void *aux) 150 { 151 struct iopxs_attach_args *ia = aux; 152 153 if (strcmp(match->cf_driver->cd_name, ia->ia_name) == 0) 154 return (1); 155 156 return (0); 157 } 158 159 static void 160 aau321_attach(struct device *parent, struct device *self, void *aux) 161 { 162 struct aau321_softc *sc321 = (void *) self; 163 struct iopaau_softc *sc = &sc321->sc_iopaau; 164 struct iopxs_attach_args *ia = aux; 165 int error; 166 167 printf("\n"); 168 169 sc->sc_st = ia->ia_st; 170 error = bus_space_subregion(sc->sc_st, ia->ia_sh, 171 ia->ia_offset, ia->ia_size, &sc->sc_sh); 172 if (error) { 173 printf("%s: unable to subregion registers, error = %d\n", 174 sc->sc_dev.dv_xname, error); 175 return; 176 } 177 178 sc->sc_dmat = ia->ia_dmat; 179 180 sc321->sc_error_ih = i80321_intr_establish(ICU_INT_AAUE, IPL_BIO, 181 iopaau_intr, sc); 182 if (sc321->sc_error_ih == NULL) { 183 printf("%s: unable to register error interrupt handler\n", 184 sc->sc_dev.dv_xname); 185 return; 186 } 187 188 sc321->sc_eoc_ih = i80321_intr_establish(ICU_INT_AAU_EOC, IPL_BIO, 189 iopaau_intr, sc); 190 if (sc321->sc_eoc_ih == NULL) { 191 printf("%s: unable to register EOC interrupt handler\n", 192 sc->sc_dev.dv_xname); 193 return; 194 } 195 196 sc321->sc_eot_ih = i80321_intr_establish(ICU_INT_AAU_EOT, IPL_BIO, 197 iopaau_intr, sc); 198 if (sc321->sc_eoc_ih == NULL) { 199 printf("%s: unable to register EOT interrupt handler\n", 200 sc->sc_dev.dv_xname); 201 return; 202 } 203 204 sc->sc_dmb.dmb_name = sc->sc_dev.dv_xname; 205 sc->sc_dmb.dmb_speed = 1638400; /* XXX */ 206 sc->sc_dmb.dmb_cookie = sc; 207 sc->sc_dmb.dmb_algdescs = aau321_algdescs; 208 sc->sc_dmb.dmb_nalgdescs = AAU321_ALGDESC_COUNT; 209 sc->sc_dmb.dmb_process = iopaau_process; 210 211 iopaau_attach(sc); 212 } 213 214 struct cfattach iopaau_ca = { 215 sizeof(struct aau321_softc), aau321_match, aau321_attach, 216 }; 217
Indexes created Thu Oct 23 22:10:10 GMT 2025